2006646760 has 32 divisors (see below), whose sum is σ = 4561509960. Its totient is φ = 794382336.

The previous prime is 2006646749. The next prime is 2006646767. The reversal of 2006646760 is 676466002.

It can be written as a sum of positive squares in 4 ways, for example, as 1769548356 + 237098404 = 42066^2 + 15398^2 .

It is not an unprimeable number, because it can be changed into a prime (2006646767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254709 + ... + 262468.

Almost surely, 2^2006646760 is an apocalyptic number.

2006646760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006646760 is an abundant number, since it is smaller than the sum of its proper divisors (2554863200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2006646760 is a wasteful number, since it uses less digits than its factorization.

2006646760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517285 (or 517281 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2006646760 is about 44795.6109457165. The cubic root of 2006646760 is about 1261.3152387002.

The spelling of 2006646760 in words is "two billion, six million, six hundred forty-six thousand, seven hundred sixty".